private readonly Term lastTerm = new Term(""); // LUCENENET: marked readonly
/// <summary>
/// add a term </summary>
public virtual void Add(Term term)
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(lastTerm.Equals(new Term("")) || term.CompareTo(lastTerm) > 0);
}
try
{
int prefix = SharedPrefix(lastTerm.Bytes, term.Bytes);
int suffix = term.Bytes.Length - prefix;
if (term.Field.Equals(lastTerm.Field, StringComparison.Ordinal))
{
output.WriteVInt32(prefix << 1);
}
else
{
output.WriteVInt32(prefix << 1 | 1);
output.WriteString(term.Field);
}
output.WriteVInt32(suffix);
output.WriteBytes(term.Bytes.Bytes, term.Bytes.Offset + prefix, suffix);
lastTerm.Bytes.CopyBytes(term.Bytes);
lastTerm.Field = term.Field;
}
catch (IOException e)
{
throw new Exception(e.ToString(), e);
}
}
// used only by assert
private bool CheckDeleteTerm(Term term)
{
if (term != null)
{
Debug.Assert(lastDeleteTerm == null || term.CompareTo(lastDeleteTerm) > 0, "lastTerm=" + lastDeleteTerm + " vs term=" + term);
}
// TODO: we re-use term now in our merged iterable, but we shouldn't clone, instead copy for this assert
lastDeleteTerm = term == null ? null : new Term(term.Field, BytesRef.DeepCopyOf(term.Bytes));
return(true);
}